2.3+.1(x+2.9)=1.2

Solution for 2.3+.1(x+2.9)=1.2 equation:

Simplifying
2.3 + 0.1(x + 2.9) = 1.2

Reorder the terms:
2.3 + 0.1(2.9 + x) = 1.2
2.3 + (2.9 * 0.1 + x * 0.1) = 1.2
2.3 + (0.29 + 0.1x) = 1.2

Combine like terms: 2.3 + 0.29 = 2.59
2.59 + 0.1x = 1.2

Solving
2.59 + 0.1x = 1.2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2.59' to each side of the equation.
2.59 + -2.59 + 0.1x = 1.2 + -2.59

Combine like terms: 2.59 + -2.59 = 0.00
0.00 + 0.1x = 1.2 + -2.59
0.1x = 1.2 + -2.59

Combine like terms: 1.2 + -2.59 = -1.39
0.1x = -1.39

Divide each side by '0.1'.
x = -13.9

Simplifying
x = -13.9